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Finding the Fourth Proportional to 92,946.77, 128,267.36 and 50,505.30

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Solution

The fourth proportional to 92,946.77, 128,267.36 and 50,505.30 is: 69,697.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,946.77 : 128,267.36 = 50,505.30 : x
  2. Step 2: Convert to fraction form
    92,946.77/128,267.36 = 50,505.30/x
  3. Step 3: Cross multiply
    92,946.77x = 128,267.36 × 50,505.30
  4. Step 4: Simplify right side
    92,946.77x = 6,478,181,244.48
  5. Step 5: Solve for x
    x = 6,478,181,244.48/92,946.77
  6. Step 6: Final answer
    x = 69,697.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.